public class Example5_1 {
	public static void main(String args[]) {
		Student zhang = new Student();
		zhang.age = 17;
		zhang.number = 100101;
		zhang.showPeopleMess();
		zhang.tellNumber();
		int x=9,y=29;
		System.out.print("会做加法:");
		int result=zhang.add(x,y);
		System.out.printf("%d+%d=%d\n",x,y,result);
		UniverStudent geng = new UniverStudent();
		geng.age = 21;
		geng.number=6609;
		geng.showPeopleMess();
		geng.tellNumber();
		System.out.print("会做加法:");
		result=geng.add(x,y);
		System.out.printf("%d+%d=%d\t",x,y,result);
		System.out.print("会做乘法:");
		result=geng.multi(x,y);
		System.out.printf("%dx%d=%d\n",x,y,result);
	}
}
